Home / 126,892.40-174,829.56-83,795.36

Finding the Fourth Proportional to 126,892.40, 174,829.56 and 83,795.36

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Solution

The fourth proportional to 126,892.40, 174,829.56 and 83,795.36 is: 115,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,892.40 : 174,829.56 = 83,795.36 : x
  2. Step 2: Convert to fraction form
    126,892.40/174,829.56 = 83,795.36/x
  3. Step 3: Cross multiply
    126,892.40x = 174,829.56 × 83,795.36
  4. Step 4: Simplify right side
    126,892.40x = 14,649,905,918.84
  5. Step 5: Solve for x
    x = 14,649,905,918.84/126,892.40
  6. Step 6: Final answer
    x = 115,451.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.